Log Message:
py-flake8-import-order: updated to 0.15

0.15:
Drop Python 3.3 support, as Python 3.3 is beyond it's end of lfe.
Correct the flake8 entrypoint to report all I errors, this may result in I2XX \ 
errors being reported that were absent previously.
Support in-line # noqa comments specifing only the error codes to be ignored, \ 
e.g., # noqa: I101.
Accept only # noqa directives on the line reporting the error, see limitations.